Weather Records on 9 September 1987

676 weather records were set or tied worldwide on 9 September 1987. Highest significance: Holtwood, US.

Key Facts for 9 September 1987

On 9 September 1987, 676 weather records were set or tied at long-record stations worldwide.
297 were record highs and 114 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 34 monthly and 638 daily.
Holtwood set a daily record precipitation of 105.9 mm (4.2 in) on 9 September 1987.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 460 records.

Record Map

676 stations

676 station records on 9 September 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Holtwood	United States	Record daily precipitation	105.9 mm (4.2 in)	64 of 100 (Major)
Hanover	United States	Record daily precipitation	81.5 mm (3.2 in)	60 of 100 (Major)
Palm 3 SE	United States	Record daily precipitation	118.6 mm (4.7 in)	57 of 100 (Notable)
Freeland	United States	Record daily precipitation	83.8 mm (3.3 in)	56 of 100 (Notable)
Scottsville 6SE	United States	Record daily precipitation	140.2 mm (5.5 in)	54 of 100 (Notable)
Winchester 7 SE	United States	Record daily precipitation	50.5 mm (2.0 in)	54 of 100 (Notable)
E Stroudsburg	United States	Record daily precipitation	77.2 mm (3.0 in)	48 of 100 (Notable)
Saint Johnsbury	United States	Record daily precipitation	68.3 mm (2.7 in)	48 of 100 (Notable)
Lehighton 1SSW	United States	Record daily precipitation	91.9 mm (3.6 in)	46 of 100 (Notable)
Chelsea	United States	Record daily precipitation	65.3 mm (2.6 in)	46 of 100 (Notable)
Kresgeville 2 W	United States	Record daily precipitation	117.9 mm (4.6 in)	45 of 100 (Notable)
Piedmont Rsch STN	United States	Record daily precipitation	125.7 mm (4.9 in)	45 of 100 (Notable)
Walton	United States	Record daily precipitation	71.1 mm (2.8 in)	44 of 100 (Notable)
Equinunk 2 NW	United States	Record daily precipitation	99.3 mm (3.9 in)	44 of 100 (Notable)
Hawley 1 E	United States	Record daily precipitation	79.5 mm (3.1 in)	44 of 100 (Notable)
Zionsville 3 ESE	United States	Record daily precipitation	109.0 mm (4.3 in)	44 of 100 (Notable)
Kailua 446	United States	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
Hamburg	United States	Record daily precipitation	94.7 mm (3.7 in)	43 of 100 (Notable)
Manchester	United States	Record daily precipitation	63.5 mm (2.5 in)	42 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Botanic Gardens - Pmb	South Africa	Record daily precipitation	42.0 mm (1.7 in)	41 of 100 (Notable)
Chittenden	United States	Record daily precipitation	90.9 mm (3.6 in)	41 of 100 (Notable)
Rutland	United States	Record daily precipitation	75.4 mm (3.0 in)	40 of 100 (Notable)
Atil	Mexico	Record low minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
The Plains 2 NNE	United States	Record daily precipitation	77.5 mm (3.1 in)	39 of 100 (Notable)
Uruapan (Smn)	Mexico	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Jumatan (Cfe)	Mexico	Record high minimum temperature	27.8 C (82.0 F)	37 of 100 (Notable)
Paola	United States	Record low minimum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Waialua 847	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Paupack 1 WSW	United States	Record daily precipitation	65.3 mm (2.6 in)	36 of 100 (Notable)
South Newbury	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Free Union	United States	Record daily precipitation	174.5 mm (6.9 in)	36 of 100 (Notable)
Tangancicuaro	Mexico	Record low minimum temperature	3.9 C (39.0 F)	35 of 100 (Notable)
Fitzwilliam 2 W	United States	Record daily precipitation	48.3 mm (1.9 in)	35 of 100 (Notable)
Hanover	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Lancaster	United States	Record daily precipitation	53.1 mm (2.1 in)	35 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
La Grange 1N	United States	Record daily precipitation	53.8 mm (2.1 in)	34 of 100 (Routine)
Grahamsville	United States	Record daily precipitation	103.1 mm (4.1 in)	34 of 100 (Routine)
Punta Prieta	Mexico	Record high maximum temperature	50.0 C (122.0 F)	33 of 100 (Routine)
Caldwell	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Calhoun City	United States	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
College Park	United States	Record daily precipitation	32.5 mm (1.3 in)	32 of 100 (Routine)
Belhaven 1 SE	United States	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Donegal 2 NW	United States	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Tamaqua	United States	Record daily precipitation	71.4 mm (2.8 in)	32 of 100 (Routine)
La Poza Grande	Mexico	Record low minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Tecoman (Dge)	Mexico	Record high minimum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Frederick 3 E	United States	Record daily precipitation	57.4 mm (2.3 in)	31 of 100 (Routine)
Battenville	United States	Record daily precipitation	83.1 mm (3.3 in)	31 of 100 (Routine)
Smiths Basin	United States	Record daily precipitation	61.2 mm (2.4 in)	31 of 100 (Routine)
Tamaqua 4 N Dam	United States	Record daily precipitation	72.6 mm (2.9 in)	31 of 100 (Routine)
Midland 4 ENE	United States	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Rochester	United States	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Cihuatlan (Dge)	Mexico	Record high minimum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Wilkes Barre	United States	Record daily precipitation	54.6 mm (2.1 in)	30 of 100 (Routine)
Peru	United States	Record daily precipitation	59.7 mm (2.4 in)	30 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record high maximum temperature	35.6 C (96.1 F)	30 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record low maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Orel	Russia	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)

Counts by Type and Timescale

676 records

Records set or tied on 9 September 1987 by type: Highest daily maximum 160, Lowest daily maximum 43, Highest daily minimum 137, Lowest daily minimum 71, Heaviest daily rainfall 265.

Records on 9 September 1987 by type
Record type	Records
Highest daily maximum	160
Lowest daily maximum	43
Highest daily minimum	137
Lowest daily minimum	71
Heaviest daily rainfall	265
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 September 1987 by timescale: all-time 4, monthly 34, daily 638.

How Much Records Were Beaten By

514 broken records

Margins by which the 514 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.6. Ties are not counted.

Top 20 by Significance

9 September 1987

Top 20 records on 9 September 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 1987	Holtwood, US	daily rain	105.9 mm (4.2 in)	70.3 mm (2.8 in)	57 years	64 of 100 (Major)
9 September 1987	Hanover, US	daily rain	81.5 mm (3.2 in)	53.1 mm (2.1 in)	60 years	60 of 100 (Major)
9 September 1987	Palm 3 SE, US	daily rain	118.6 mm (4.7 in)	88.6 mm (3.5 in)	44 years	57 of 100 (Notable)
9 September 1987	Freeland, US	daily rain	83.8 mm (3.3 in)	55.9 mm (2.2 in)	36 years	56 of 100 (Notable)
9 September 1987	Scottsville 6SE, US	monthly rain	140.2 mm (5.5 in)	58.4 mm (2.3 in)	8 years	54 of 100 (Notable)
9 September 1987	Winchester 7 SE, US	daily rain	50.5 mm (2.0 in)	40.6 mm (1.6 in)	46 years	54 of 100 (Notable)
9 September 1987	E Stroudsburg, US	daily rain	77.2 mm (3.0 in)	47.7 mm (1.9 in)	44 years	48 of 100 (Notable)
9 September 1987	Saint Johnsbury, US	daily rain	68.3 mm (2.7 in)	38.3 mm (1.5 in)	5 years	48 of 100 (Notable)
9 September 1987	Lehighton 1SSW, US	daily rain	91.9 mm (3.6 in)	61.9 mm (2.4 in)	5 years	46 of 100 (Notable)
9 September 1987	Chelsea, US	daily rain	65.3 mm (2.6 in)	22.9 mm (0.9 in)	52 years	46 of 100 (Notable)
9 September 1987	Kresgeville 2 W, US	daily rain	117.9 mm (4.6 in)	78.3 mm (3.1 in)	5 years	45 of 100 (Notable)
9 September 1987	Piedmont Rsch STN, US	monthly rain	125.7 mm (4.9 in)	43.7 mm (1.7 in)	8 years	45 of 100 (Notable)
9 September 1987	Walton, US	daily rain	71.1 mm (2.8 in)	49.8 mm (2.0 in)	5 years	44 of 100 (Notable)
9 September 1987	Equinunk 2 NW, US	daily rain	99.3 mm (3.9 in)	58.2 mm (2.3 in)	5 years	44 of 100 (Notable)
9 September 1987	Hawley 1 E, US	daily rain	79.5 mm (3.1 in)	29.7 mm (1.2 in)	44 years	44 of 100 (Notable)
9 September 1987	Zionsville 3 ESE, US	daily rain	109.0 mm (4.3 in)	87.9 mm (3.5 in)	5 years	44 of 100 (Notable)
9 September 1987	Kailua 446, US	daily rain	50.3 mm (2.0 in)	15.5 mm (0.6 in)	81 years	44 of 100 (Notable)
9 September 1987	Hamburg, US	monthly rain	94.7 mm (3.7 in)	3.3 mm (0.13 in)	77 years	43 of 100 (Notable)
9 September 1987	Manchester, US	daily rain	63.5 mm (2.5 in)	35.6 mm (1.4 in)	5 years	42 of 100 (Notable)
9 September 1987	Huichapan, MX	daily low max	13.9 C (57.0 F)	5.0 C (9.0 F)	62 years	41 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1806 to 1987

Records set or tied on this calendar date in each year from 1806 to 1987. 1987 had 676 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 1987-09-09: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	463
20 to 40	34
40 to 60	12
60 to 80	3
80 to 100	2